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      Elev 472 ft, 39.367 °N 76.924 °W

      Marriottsville, MD

      Updated: 4:55 AM EDT on September 11, 2026 (GMT -4)
      8 minutes ago
      80°
      67°
      70
      Feels Like 71
      Rain
      N
      6
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 09/11
        High 80°f
        100% Precip. / 0.04 in
        Rain ending this morning. Remaining cloudy. High around 80F. Winds light and variable. Chance of rain 100%.
        Tonight
        Fri 09/11
        Low 66°f
        24% Precip. / 0 in
        Partly cloudy skies this evening will become overcast overnight. Low 66F. Winds light and variable.
        Tomorrow
        Sat 09/12
        High 79°f70°f
        24% Precip. / 0 in
        Overcast. A stray shower or thunderstorm is possible. High 79F. Winds SE at 5 to 10 mph.
        Hourly Forecast
        Now
        71°
        5AM
        98%
        71°
        6AM
        64%
        70°
        6:45AM
        Sunrise
        7AM
        69°
        8AM
        70°
        9AM
        72°
        10AM
        73°
        11AM
        74°
        12PM
        76°
        1PM
        77°
        2PM
        79°
        3PM
        80°
        4PM
        80°
        5PM
        79°
        6PM
        78°
        7PM
        76°
        7:22PM
        Sunset
        8PM
        74°
        9PM
        71°
        10PM
        70°
        11PM
        68°
        12AM
        68°
        1AM
        68°
        2AM
        67°
        3AM
        67°
        4AM
        67°
        Additional Conditions
        1. Pressure 29.95 in
        2. Visibility 7 miles
        3. Clouds Cloudy
        4. Dew Point69°F
        5. Humidity 95%
        6. Rainfall 0.18 in
        7. Snow Depth 0 in
        KBWI Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 80°F 100°F 1983
        4. Low 67°F 58°F 34°F 1917
        5. Rain/Snow Depth
        6. Precipitation 0.04 in 0.14 in -
        7. Snow 0 in - in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 79°F 80°F 96°F
        4. Low 67°F 57°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:45 AM 7:22 PM
        3. Civil Twilight 6:18 AM 7:49 PM
        4. Nautical Twilight 5:46 AM 8:21PM
        5. Astronomical Twilight 5:13 AM 8:53 PM
        1. Length of Visible Light 13h 31m
        2. Length of Day 12h 37m
        3. Tomorrow will be 2 minutes 32 seconds shorter
        1. Moon 7:13 AM 7:30 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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